Solution to problem: The server responded: 550 5.1.0 sender rejected AUP#O-1030 when using an alias

Solution to problem: The server responded: 550 5.1.0 sender rejected AUP#O-1030 when using an alias

Solution to problem: The server responded: 550 5.1.0 sender rejected AUP#O-1030 Outgoing mail server (SMTP) when using an alias email address. Been using an alias for years until Spectrum took over from Time Warner.